I did not email any classified material to anyone. There is no classified material.

Climate change is directly related to the growth of terrorism. And if we do not get our act together and listen to what the scientists say, you're going to see countries all over the world struggling over limited amounts of water, limited amounts of land to grow their crops ask you're going to see all kinds of international conflict.

I disagreed with the way the court applied the Second Amendment in Heller's case, because what the District of Columbia was trying to do was to protect toddlers from guns and so they wanted people with guns to safely store them. And the court didn't accept that reasonable regulation, but they've accepted many others. So I see no conflict between saving people's lives and defending the Second Amendment.

You know, I'm going to start thanking the woman who cleans the restroom in the building I work in. I'm going to start thinking of her as a human being.

Don't let life pass you by before you realise that it was worth living.

I certainly don't read coverage of me, I read what else is going on that I need to know about to do my job.

No nation can meet the world's challenges alone.